Cairo (AFP) - An Egyptian jihadist group released a video Sunday showing the execution of four men, including three being beheaded, accused of spying for the army and for Israel's Mossad intelligence service. It is the second time such gruesome footage has been released by Ansar Beit al-Maqdis (Partisans of Jerusalem), the deadliest militant group based in Egypt's insurgency-hit Sinai region.